* Introduction of device PM QoS flags.
* ACPI device power management update allowing subsystems other than
PCI to use it more easily.
* ACPI device enumeration rework allowing additional kinds of devices
to be enumerated via ACPI. From Mika Westerberg, Adrian Hunter,
Mathias Nyman, Andy Shevchenko, and Rafael J. Wysocki.
* ACPICA update to version 20121018 from Bob Moore and Lv Zheng.
* ACPI memory hotplug update from Wen Congyang and Yasuaki Ishimatsu.
* Introduction of acpi_handle_<level>() messaging macros and ACPI-based CPU
hot-remove support from Toshi Kani.
* ACPI EC updates from Feng Tang.
* cpufreq updates from Viresh Kumar, Fabio Baltieri and others.
* cpuidle changes to quickly notice governor prediction failure from
Youquan Song.
* Support for using multiple cpuidle drivers at the same time and cpuidle
cleanups from Daniel Lezcano.
* devfreq updates from Nishanth Menon and others.
* cpupower update from Thomas Renninger.
* Fixes and small cleanups all over the place.
--
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Merge tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
- Introduction of device PM QoS flags.
- ACPI device power management update allowing subsystems other than
PCI to use it more easily.
- ACPI device enumeration rework allowing additional kinds of devices
to be enumerated via ACPI. From Mika Westerberg, Adrian Hunter,
Mathias Nyman, Andy Shevchenko, and Rafael J. Wysocki.
- ACPICA update to version 20121018 from Bob Moore and Lv Zheng.
- ACPI memory hotplug update from Wen Congyang and Yasuaki Ishimatsu.
- Introduction of acpi_handle_<level>() messaging macros and ACPI-based
CPU hot-remove support from Toshi Kani.
- ACPI EC updates from Feng Tang.
- cpufreq updates from Viresh Kumar, Fabio Baltieri and others.
- cpuidle changes to quickly notice governor prediction failure from
Youquan Song.
- Support for using multiple cpuidle drivers at the same time and
cpuidle cleanups from Daniel Lezcano.
- devfreq updates from Nishanth Menon and others.
- cpupower update from Thomas Renninger.
- Fixes and small cleanups all over the place.
* tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (196 commits)
mmc: sdhci-acpi: enable runtime-pm for device HID INT33C6
ACPI: add Haswell LPSS devices to acpi_platform_device_ids list
ACPI: add documentation about ACPI 5 enumeration
pnpacpi: fix incorrect TEST_ALPHA() test
ACPI / PM: Fix header of acpi_dev_pm_detach() in acpi.h
ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000
ACPI : do not use Lid and Sleep button for S5 wakeup
ACPI / PNP: Do not crash due to stale pointer use during system resume
ACPI / video: Add "Asus UL30VT" to ACPI video detect blacklist
ACPI: do acpisleep dmi check when CONFIG_ACPI_SLEEP is set
spi / ACPI: add ACPI enumeration support
gpio / ACPI: add ACPI support
PM / devfreq: remove compiler error with module governors (2)
cpupower: IvyBridge (0x3a and 0x3e models) support
cpupower: Provide -c param for cpupower monitor to schedule process on all cores
cpupower tools: Fix warning and a bug with the cpu package count
cpupower tools: Fix malloc of cpu_info structure
cpupower tools: Fix issues with sysfs_topology_read_file
cpupower tools: Fix minor warnings
cpupower tools: Update .gitignore for files created in the debug directories
...
Bug fixes, little cleanups, and documentation changes. The most invasive
thing here touches a bunch of the arch directories to use a common build
rule for .dtb files. There are no major changes to functionality here
other than a ew new helper functions.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull device tree changes from Grant Likely:
"Here are the DT changes I've got queued up for v3.8. As described
below, there are a lot of bug fixes here and documentation updates but
nothing major:
Bug fixes, little cleanups, and documentation changes. The most
invasive thing here touches a bunch of the arch directories to use a
common build rule for .dtb files. There are no major changes to
functionality here other than a few new helper functions."
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
arm64: Fix the dtbs target building
mtd: nand: davinci: fix the binding documentation
rtc: rtc-mv: Add the device tree binding documentation
devicetree/bindings: Move gpio-leds binding into leds directory
of/vendor-prefixes: add Imagination Technologies
microblaze: use new common dtc rule
c6x: use new common dtc rule
openrisc: use new common dtc rule
arm64: Add dtbs target for building all the enabled dtb files
arm64: use new common dtc rule
ARM: dt: change .dtb build rules to build in dts directory
kbuild: centralize .dts->.dtb rule
Fix build when CONFIG_W1_MASTER_GPIO=m b exporting "allnodes"
of/spi: Honour "status=disabled" property of device
of_mdio: Honour "status=disabled" property of device
of_i2c: Honour "status=disabled" property of device
powerpc: Fix fallout from device_node->name constification
of: add 'const' for of_parse_phandle parameter *np
Documentation: correct of_platform_populate() argument list
script: dtc: clean generated files
...
Trivial changes to irqdomain. An update to the documentation and make
one of the error paths not quite so obnoxious.
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Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull irqdomain changes from Grant Likely:
"Trivial changes to irqdomain. An update to the documentation and make
one of the error paths not quite so obnoxious."
* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6:
irqdomain: update documentation
irqdomain: stop screaming about preallocated irqdescs
fixes for existing platforms as well as new ports for some ARM
platforms. In addition there are new clk drivers for audio devices and
MFDs.
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Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux
Pull clock framework changes from Mike Turquette:
"The common clock framework changes for 3.8 are comprised of lots of
fixes for existing platforms as well as new ports for some ARM
platforms. In addition there are new clk drivers for audio devices
and MFDs."
Fix up trivial conflict in <linux/clk-provider.h> (removal of 'inline'
clashing with return type fixes)
* tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (51 commits)
MAINTAINERS: bad email address for Mike Turquette
clk: introduce optional disable_unused callback
clk: ux500: fix bit error
clk: clock multiplexers may register out of order
clk: ux500: Initial support for abx500 clock driver
CLK: SPEAr: Remove unused dummy apb_pclk
CLK: SPEAr: Correct index scanning done for clock synths
CLK: SPEAr: Update clock rate table
CLK: SPEAr: Add missing clocks
CLK: SPEAr: Set CLK_SET_RATE_PARENT for few clocks
CLK: SPEAr13xx: fix parent names of multiple clocks
CLK: SPEAr13xx: Fix mux clock names
CLK: SPEAr: Fix dev_id & con_id for multiple clocks
clk: move IM-PD1 clocks to drivers/clk
clk: make ICST driver handle the VCO registers
clk: add GPLv2 headers to the Versatile clock files
clk: mxs: Use a better name for the USB PHY clock
clk: spear: Add stub functions for spear3[0|1|2]0_clk_init()
CLK: clk-twl6040: fix return value check in twl6040_clk_probe()
clk: ux500: Register nomadik keypad clock lookups for u8500
...
As can be seen from the diffstat the major changes
are:
- A big conversion of the AT91 pinctrl driver and
the associated ACKed platform changes under
arch/arm/max-at91 and its device trees. This
has been coordinated with the AT91 maintainers
to go in through the pinctrl tree.
- A larger chunk of changes to the SPEAr drivers
and the addition of the "plgpio" driver for the
SPEAr as well.
- The removal of the remnants of the Nomadik driver
from the arch/arm tree and fusion of that into
the Nomadik driver and platform data header files.
- Some local movement in the Marvell MVEBU drivers,
these now have their own subdirectory.
- The addition of a chunk of code to gpiolib under
drivers/gpio to register gpio-to-pin range mappings
from the GPIO side of things. This has been
requested by Grant Likely and is now implemented,
it is particularly useful for device tree work.
Then we have incremental updates all over the place,
many of these are cleanups and fixes from Axel Lin
who has done a great job of removing minor mistakes
and compilation annoyances.
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Merge tag 'pinctrl-for-v3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl changes from Linus Walleij:
"These are the first and major pinctrl changes for the v3.8 merge
cycle. Some of this is used as merge base for other trees so I better
be early on the trigger.
As can be seen from the diffstat the major changes are:
- A big conversion of the AT91 pinctrl driver and the associated ACKed
platform changes under arch/arm/max-at91 and its device trees. This
has been coordinated with the AT91 maintainers to go in through the
pinctrl tree.
- A larger chunk of changes to the SPEAr drivers and the addition of
the "plgpio" driver for the SPEAr as well.
- The removal of the remnants of the Nomadik driver from the arch/arm
tree and fusion of that into the Nomadik driver and platform data
header files.
- Some local movement in the Marvell MVEBU drivers, these now have
their own subdirectory.
- The addition of a chunk of code to gpiolib under drivers/gpio to
register gpio-to-pin range mappings from the GPIO side of things.
This has been requested by Grant Likely and is now implemented, it
is particularly useful for device tree work.
Then we have incremental updates all over the place, many of these are
cleanups and fixes from Axel Lin who has done a great job of removing
minor mistakes and compilation annoyances."
* tag 'pinctrl-for-v3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (114 commits)
ARM: mmp: select PINCTRL for ARCH_MMP
pinctrl: Drop selecting PINCONF for MMP2, PXA168 and PXA910
pinctrl: pinctrl-single: Fix error check condition
pinctrl: SPEAr: Update error check for unsigned variables
gpiolib: Fix use after free in gpiochip_add_pin_range
gpiolib: rename pin range arguments
pinctrl: single: support gpio request and free
pinctrl: generic: add input schmitt disable parameter
pinctrl/u300/coh901: stop spawning pinctrl from GPIO
pinctrl/u300/coh901: let the gpio_chip register the range
pinctrl: add function to retrieve range from pin
gpiolib: return any error code from range creation
pinctrl: make range registration defer properly
gpiolib: rename find_pinctrl_*
gpiolib: let gpiochip_add_pin_range() specify offset
ARM: at91: pm9g45: add mmc support
ARM: at91: Animeo IP: add mmc support
ARM: at91: dt: add mmc pinctrl for Atmel reference boards
ARM: at91: dt: at91sam9: add mmc pinctrl support
ARM: at91/dts: add nodes for atmel hsmci controllers for atmel boards
...
Added/improved support for new chips in existing drivers: Z650/670, N550/570,
ADS7830, AMD 16h family
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New driver: DA9055
Added/improved support for new chips in existing drivers: Z650/670,
N550/570, ADS7830, AMD 16h family"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (da9055) Fix chan_mux[DA9055_ADC_ADCIN3] setting
hwmon: DA9055 HWMON driver
hwmon: (coretemp) List TjMax for Z650/670 and N550/570
hwmon: (coretemp) Drop N4xx, N5xx, D4xx, D5xx CPUs from tjmax table
hwmon: (coretemp) Use model table instead of if/else to identify CPU models
hwmon: da9052: Use da9052_reg_update for rmw operations
hwmon: (coretemp) Drop dependency on PCI for TjMax detection on Atom CPUs
hwmon: (ina2xx) use module_i2c_driver to simplify the code
hwmon: (ads7828) add support for ADS7830
hwmon: (ads7828) driver cleanup
x86,AMD: Power driver support for AMD's family 16h processors
Core:
- Expose access to the eMMC RPMB ("Replay Protected Memory Block") area
by extending the existing mmc_block ioctl.
- Add SDIO powered-suspend DT properties to the core MMC DT binding.
- Add no-1-8-v DT flag for boards where the SD controller reports that it
supports 1.8V but the board itself has no way to switch to 1.8V.
- More work on switching to 1.8V UHS support using a vqmmc regulator.
- Fix up a case where the slot-gpio helper may fail to reset the host
controller properly if a card was removed during a transfer.
- Fix several cases where a broken device could cause an infinite loop
while we wait for a register to update.
Drivers:
- at91-mci: Remove obsolete driver, atmel-mci handles these devices now.
- sdhci-dove: Allow using GPIOs for card-detect notifications.
- sdhci-esdhc: Fix for recovering from ADMA errors on broken silicon.
- sdhci-s3c: Add pinctrl support.
- wmt-sdmmc: New driver for WonderMedia SD/MMC controllers.
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Merge tag 'mmc-updates-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.8:
Core:
- Expose access to the eMMC RPMB ("Replay Protected Memory Block")
area by extending the existing mmc_block ioctl.
- Add SDIO powered-suspend DT properties to the core MMC DT binding.
- Add no-1-8-v DT flag for boards where the SD controller reports
that it supports 1.8V but the board itself has no way to switch to
1.8V.
- More work on switching to 1.8V UHS support using a vqmmc regulator.
- Fix up a case where the slot-gpio helper may fail to reset the host
controller properly if a card was removed during a transfer.
- Fix several cases where a broken device could cause an infinite
loop while we wait for a register to update.
Drivers:
- at91-mci: Remove obsolete driver, atmel-mci handles these devices
now.
- sdhci-dove: Allow using GPIOs for card-detect notifications.
- sdhci-esdhc: Fix for recovering from ADMA errors on broken silicon.
- sdhci-s3c: Add pinctrl support.
- wmt-sdmmc: New driver for WonderMedia SD/MMC controllers."
* tag 'mmc-updates-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (65 commits)
mmc: sdhci: implement the .card_event() method
mmc: extend the slot-gpio card-detection to use host's .card_event() method
mmc: add a card-event host operation
mmc: sdhci-s3c: Fix compilation warning
mmc: sdhci-pci: Enable SDHCI_CAN_DO_HISPD for Ricoh SDHCI controller
mmc: sdhci-dove: allow GPIOs to be used for card detection on Dove
mmc: sdhci-dove: use two-stage initialization for sdhci-pltfm
mmc: sdhci-dove: use devm_clk_get()
mmc: eSDHC: Recover from ADMA errors
mmc: dw_mmc: remove duplicated buswidth code
mmc: dw_mmc: relocate where dw_mci_setup_bus() is called from
mmc: Limit MMC speed to 52MHz if not HS200
mmc: dw_mmc: use devres functions in dw_mmc
mmc: sh_mmcif: remove unneeded clock connection ID
mmc: sh_mobile_sdhi: remove unneeded clock connection ID
mmc: sh_mobile_sdhi: fix clock frequency printing
mmc: Remove redundant null check before kfree in bus.c
mmc: Remove redundant null check before kfree in sdio_bus.c
mmc: sdhci-imx-esdhc: use more devm_* functions
mmc: dt: add no-1-8-v device tree flag
...
Since the aemif driver conversion to DT along with
its movement to drivers/ folder is not yet done,
fix NAND binding documentation to have NAND specific
DT details only.
Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
The support was already written, but the binding documentation was
lacking.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Add a document that describes how to take advantage of ACPI enumeration for
buses like platform, I2C and SPI. In addition to that we document how to
translate ACPI GpioIo and GpioInt resources to be useful in Linux device
drivers.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The OLPC XO-1.75 laptop includes a SDHCI controller which is 1.8v
capable, and it truthfully reports so in its capabilities. This
alternate voltage is used for driving new "UHS-I" SD cards at their
full speed.
However, what the controller doesn't know is that the motherboard
physically doesn't have a 1.8v supply available, so attempting to
switch to the 1.8v level will result in a situation that cannot be
recovered from without physically replugging the SD card.
Add a device tree flag that can be used on systems like these,
and hook it up to the equivalent SDHCI quirk.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Reviewed-by: Philip Rakity <prakity@nvidia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This patch adds support for pin configuration using pinctrl subsystem
to the sdhci-s3c driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
HSMMC IP on AM33xx need a special setting to handle High-speed cards.
Other platforms like TI81xx, OMAP4 may need this as-well. This depends
on the HSMMC IP timing closure done for the high speed cards.
From AM335x TRM (SPRUH73F - 18.3.12 Output Signals Generation):
The MMC/SD/SDIO output signals can be driven on either falling edge or
rising edge depending on the SD_HCTL[2] HSPE bit. This feature allows
to reach better timing performance, and thus to increase data transfer
frequency.
There are few pre-requisites for enabling the HSPE bit
- Controller should support High-Speed-Enable Bit and
- Controller should not be using DDR Mode and
- Controller should advertise that it supports High Speed in
capabilities register and
- MMC/SD clock coming out of controller > 25MHz
Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Add documentation for pm capabilties such as MMC_PM_KEEP_POWER
and MMC_PM_WAKE_SDIO_IRQ.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This patch adds support for the SD/MMC host controller found
on Wondermedia 8xxx series SoCs, currently supported under
arm/arch-vt8500.
A binding document is also included, based on mmc.txt with
additional properties.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Chris Ball <cjb@laptop.org>
Merely reorganizing documentation. No functional changes. It makes more
sense for the gpio-leds binding to be grouped with other led bindings
than with gpio drivers.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This updates the IRQdomain documentation a bit, by adding a more
verbose explanation to why we need this, and by adding some
extended documentation of the irq_domain_simple() usecase.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
The "powervr" prefix which is currently described as "Imagination
Technologies" isn't really appropriate for non-PowerVR hardware, so
deprecate it, changing the description of "powervr" to "PowerVR
(deprecated, use img)", and add a separate "img" prefix for "Imagination
Technologies Ltd.".
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This is the HWMON patch for DA9055 PMIC and has got dependency on the
DA9055 MFD core.
This patch monitors the DA9055 PMIC's ADC channels vddout, junction temperature
and auxiliary channels.
This patch is functionally tested on Samsung SMDKV6410.
Signed-off-by: David Dajun Chen <dchen@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
[Guenter Roeck: Dropped __devinit, __devexit, __devexit_p]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The ADS7830 device is almost the same as the ADS7828,
except that it does 8-bit sampling, instead of 12-bit.
This patch extends the ads7828 driver to support this chip.
Signed-off-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
As there is no reliable way to identify the chip, it is preferable to
remove the detect callback, to avoid misdetection.
Module parameters are not worth it here, so let's get rid of them and
add an ads7828_platform_data structure instead.
Clean the code by removing unused macros, fixing coding style issues,
avoiding function prototypes and using convenient macros such as
module_i2c_driver().
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
All architectures that use cmd_dtc do so in almost the same way. Create
a central build rule to avoid duplication. The one difference is that
most current uses of dtc build $(obj)/%.dtb from $(src)/dts/%.dts rather
than building the .dtb in the same directory as the .dts file. This
difference will be eliminated arch-by-arch in future patches.
MIPS is the exception here; it already uses the exact same rule as the
new common rule, so the duplicate is removed in this patch to avoid any
conflict. arch/mips changes courtesy of Ralf Baechle.
Update Documentation/kbuild to remove the explicit call to cmd_dtc from
the example, now that the rule exists in a centralized location.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Olof Johansson <olof@lixom.net>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: linux@lists.openrisc.net
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: linux-c6x-dev@linux-c6x.org
Cc: Mark Salter <msalter@redhat.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: microblaze-uclinux@itee.uq.edu.au
Cc: Chris Zankel <chris@zankel.net>
Cc: linux-xtensa@linux-xtensa.org
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
* pm-cpufreq: (21 commits)
cpufreq: ondemand: update sampling rate only on right CPUs
cpufreq: SPEAr: Add CPUFreq driver
cpufreq: governors: Fix jiffies/cputime mixup (revisited)
cpufreq: ondemand: fix wrong delay sampling rate
cpufreq: exynos: Use static for functions used in only this file
cpufreq: exynos: Broadcast frequency change notifications for all cores
cpufreq: remove use of __devexit
cpufreq: remove use of __devinit
cpufreq: remove use of __devexit_p
cpufreq: Remove unnecessary initialization of a local variable
cpufreq: Make sure target freq is within limits
cpufreq: Avoid calling cpufreq driver's target() routine if target_freq == policy->cur
cpufreq: Fix sparse warning by making local function static
cpufreq: Fix sparse warnings by updating cputime64_t to u64
cpufreq: governors: remove redundant code
cpufreq: return early from __cpufreq_driver_getavg()
cpufreq: fix jiffies/cputime mixup in conservative/ondemand governors
cpufreq: Improve debug prints
cpufreq: Move common part from governors to separate file, v2
cpufreq / core: Fix printing of governor and driver name
...
* acpi-general: (38 commits)
ACPI / thermal: _TMP and _CRT/_HOT/_PSV/_ACx dependency fix
ACPI: drop unnecessary local variable from acpi_system_write_wakeup_device()
ACPI: Fix logging when no pci_irq is allocated
ACPI: Update Dock hotplug error messages
ACPI: Update Container hotplug error messages
ACPI: Update Memory hotplug error messages
ACPI: Update CPU hotplug error messages
ACPI: Add acpi_handle_<level>() interfaces
ACPI: remove use of __devexit
ACPI / PM: Add Sony Vaio VPCEB1S1E to nonvs blacklist.
ACPI / battery: Correct battery capacity values on Thinkpads
Revert "ACPI / x86: Add quirk for "CheckPoint P-20-00" to not use bridge _CRS_ info"
ACPI: create _SUN sysfs file
ACPI / memhotplug: bind the memory device when the driver is being loaded
ACPI / memhotplug: don't allow to eject the memory device if it is being used
ACPI / memhotplug: free memory device if acpi_memory_enable_device() failed
ACPI / memhotplug: fix memory leak when memory device is unbound from acpi_memhotplug
ACPI / memhotplug: deal with eject request in hotplug queue
ACPI / memory-hotplug: add memory offline code to acpi_memory_device_remove()
ACPI / memory-hotplug: call acpi_bus_trim() to remove memory device
...
Conflicts:
include/linux/acpi.h (two additions at the end of the same file)
* pm-qos:
PM / QoS: Handle device PM QoS flags while removing constraints
PM / QoS: Resume device before exposing/hiding PM QoS flags
PM / QoS: Document request manipulation requirement for flags
PM / QoS: Fix a free error in the dev_pm_qos_constraints_destroy()
PM / QoS: Fix the return value of dev_pm_qos_update_request()
PM / ACPI: Take device PM QoS flags into account
PM / Domains: Check device PM QoS flags in pm_genpd_poweroff()
PM / QoS: Make it possible to expose PM QoS device flags to user space
PM / QoS: Introduce PM QoS device flags support
PM / QoS: Prepare struct dev_pm_qos_request for more request types
PM / QoS: Introduce request and constraint data types for PM QoS flags
PM / QoS: Prepare device structure for adding more constraint types
SPEAr is an ARM based family of SoCs. This patch adds in support of cpufreq
driver for SPEAr SoCs. It is supported via DT only and so bindings are present
in binding document.
Signed-off-by: Deepak Sikri <deepak.sikri@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Some commands don't work in its example doc. The patch will fix it.
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The documentation doesn't match the actual function prototype. This is a
trivial patch to fix it.
Signed-off-by: Alison Chaiken <alison_chaiken@mentor.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
There are several drivers that use LEDs and depend on exactly the same
device tree binding. However, the binding documentation has simply been
cut-and-paste into each of the binding documents. Rather than continue
to duplicate it, this patch adds a common led binding document that all
can reference.
Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Their stock ticker is 3407.T which wouldn't make a good DT vendor
prefix. Use the company name initials instead.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
This patch adds a device tree vendor prefix for Synopsys Inc.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Now that governor list can be variable, knowing the available governors
is useful to be able to select a governor using relevant sysfs node.
Cc: Rajagopal Venkat <rajagopal.venkat@linaro.org>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Kevin Hilman <khilman@ti.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This allows us to select governor runtime from the
default configuration without having to rebuild kernel
or the devfreq driver using the sysfs node:
/sys/class/devfreq/.../governor
cat of the governor will return valid governor
and an echo 'governor_name'>governor will switch
governor
Cc: Rajagopal Venkat <rajagopal.venkat@linaro.org>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Kevin Hilman <khilman@ti.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This patch adds sysfs node which can be used to get information of frequency
transition. It represents transition table which contains total number of transition of
each freqeuncy state and time spent. It is inspired CPUFREQ's status driver.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
[Added Documentation/ABI entry, updated kernel-doc, and resolved merge conflict]
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
devfreq governors such as ondemand are controlled by a min and
max frequency, while governors like userspace governor allow us
to set a specific frequency.
However, for the same specific device, depending on the SoC, the
available frequencies can vary.
So expose the available frequencies as a snapshot over sysfs to
allow informed decisions.
This was inspired by cpufreq framework's equivalent for similar
usage sysfs node: scaling_available_frequencies.
Cc: Rajagopal Venkat <rajagopal.venkat@linaro.org>
Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Kevin Hilman <khilman@ti.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
When the mdio-gpio driver is probed via device trees, the platform
device id is set as -1, However the pdev->id is re-used as bus-id for
while creating mdio gpio bus.
So
For device tree case the mdio-gpio bus name appears as "gpio-ffffffff"
where as
for non-device tree case the bus name appears as "gpio-<bus-num>"
Which means the bus_id is fixed in device tree case, so we can't have
two mdio gpio buses via device trees. Assigning a logical bus number
via device tree solves the problem and the bus name is much consistent
with non-device tree bus name.
Without this patch
1. we can't support two mdio-gpio buses via device trees.
2. we should always pass gpio-ffffffff as bus name to phy_connect, very
different to non-device tree bus name.
So, setting up the bus_id via aliases from device tree is the right
solution and other drivers do similar thing.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Based on AT91 PIT DT patch from Jean-Christophe PLAGNIOL-VILLARD.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (12 patches)
revert "mm: fix-up zone present pages"
tmpfs: change final i_blocks BUG to WARNING
tmpfs: fix shmem_getpage_gfp() VM_BUG_ON
mm: highmem: don't treat PKMAP_ADDR(LAST_PKMAP) as a highmem address
mm: revert "mm: vmscan: scale number of pages reclaimed by reclaim/compaction based on failures"
rapidio: fix kernel-doc warnings
swapfile: fix name leak in swapoff
memcg: fix hotplugged memory zone oops
mips, arc: fix build failure
memcg: oom: fix totalpages calculation for memory.swappiness==0
mm: fix build warning for uninitialized value
mm: add anon_vma_lock to validate_mm()
oom_badness() takes a totalpages argument which says how many pages are
available and it uses it as a base for the score calculation. The value
is calculated by mem_cgroup_get_limit which considers both limit and
total_swap_pages (resp. memsw portion of it).
This is usually correct but since fe35004fbf ("mm: avoid swapping out
with swappiness==0") we do not swap when swappiness is 0 which means
that we cannot really use up all the totalpages pages. This in turn
confuses oom score calculation if the memcg limit is much smaller than
the available swap because the used memory (capped by the limit) is
negligible comparing to totalpages so the resulting score is too small
if adj!=0 (typically task with CAP_SYS_ADMIN or non zero oom_score_adj).
A wrong process might be selected as result.
The problem can be worked around by checking mem_cgroup_swappiness==0
and not considering swap at all in such a case.
Signed-off-by: Michal Hocko <mhocko@suse.cz>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull networking updates from David Miller:
1) tx_filtered/ps_tx_buf queues need to be accessed with the SKB queue
lock, from Arik Nemtsov.
2) Don't call 802.11 driver's filter configure method until it's
actually open, from Felix Fietkau.
3) Use ieee80211_free_txskb otherwise we leak control information.
From Johannes Berg.
4) Fix memory leak in bluetooth UUID removal,f rom Johan Hedberg.
5) The shift mask trick doesn't work properly when 'optname' is out of
range in do_ip_setsockopt(). Use a straightforward switch statement
instead, the compiler emits essentially the same code but without
the missing range check. From Xi Wang.
6) Fix when we call tcp_replace_ts_recent() otherwise we can
erroneously accept a too-high tsval. From Eric Dumazet.
7) VXLAN bug fixes, mostly to do with VLAN header length handling, from
Alexander Duyck.
8) Missing return value initialization for IPV6_MINHOPCOUNT socket
option handling. From Hannes Frederic.
9) Fix regression in tasklet handling in jme/ksz884x/xilinx drivers,
from Xiaotian Feng.
10) At smsc911x driver init time, we don't know if the chip is in word
swap mode or not. However we do need to wait for the control
register's ready bit to be set before we program any other part of
the chip. Adjust the wait loop to account for this. From Kamlakant
Patel.
11) Revert erroneous MDIO bus unregister change to mdio-bitbang.c
12) Fix memory leak in /proc/net/sctp/, from Tommi Rantala.
13) tilegx driver registers IRQ with NULL name, oops, from Simon Marchi.
14) TCP metrics hash table kzalloc() based allocation can fail, back
down to using vmalloc() if it does. From Eric Dumazet.
15) Fix packet steering out-of-order delivery regression, from Tom
Herbert.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits)
net-rps: Fix brokeness causing OOO packets
tcp: handle tcp_net_metrics_init() order-5 memory allocation failures
batman-adv: process broadcast packets in BLA earlier
batman-adv: don't add TEMP clients belonging to other backbone nodes
batman-adv: correctly pass the client flag on tt_response
batman-adv: fix tt_global_entries flags update
tilegx: request_irq with a non-null device name
net: correct check in dev_addr_del()
tcp: fix retransmission in repair mode
sctp: fix /proc/net/sctp/ memory leak
Revert "drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free"
net/smsc911x: Fix ready check in cases where WORD_SWAP is needed
drivers/net: fix tasklet misuse issue
ipv4/ip_vti.c: VTI fix post-decryption forwarding
brcmfmac: fix typo in CONFIG_BRCMISCAN
vxlan: Update hard_header_len based on lowerdev when instantiating VXLAN
vxlan: fix a typo.
ipv6: setsockopt(IPIPPROTO_IPV6, IPV6_MINHOPCOUNT) forgot to set return value
doc/net: Fix typo in netdev-features.txt
vxlan: Fix error that was resulting in VXLAN MTU size being 10 bytes too large
...
This is mostly a revert of 01dc52ebdf ("oom: remove deprecated oom_adj")
from Davidlohr Bueso.
It reintroduces /proc/pid/oom_adj for backwards compatibility with earlier
kernels. It simply scales the value linearly when /proc/pid/oom_score_adj
is written.
The major difference is that its scheduled removal is no longer included
in Documentation/feature-removal-schedule.txt. We do warn users with a
single printk, though, to suggest the more powerful and supported
/proc/pid/oom_score_adj interface.
Reported-by: Artem S. Tashkinov <t.artem@lycos.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use a better name for the USB PHY clock.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
_SUN method provides the slot unique-ID in the ACPI namespace. And The value
is written in Advanced Configuration and Power Interface Specification as
follows:
"The _SUN value is required to be unique among the slots ofthe same type.
It is also recommended that this number match the slot number printed on
the physical slot whenever possible."
So if we can know the value, we can identify the physical position of the
slot in the system.
The patch creates "sun" file in sysfs for identifying physical position
of the slot.
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Reviewed-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
